Achievements (Steam)
Acquaintances Forgotten - Follow pritchard's lead to uncover the truth.
Balls - Seems you like playing with balls, eh?
Bar Tab - Help the Hive Bartender settle a tab.
Cloak & Daggers - Deal with the man in the shadows.
Doctorate - Read all 29 unique XP books within a single playthrough.
First Hack - Perform your first Hack successfully.
First Takedown - Perform your first Takedown. Civilians don't count, so be nice.
Consciousness is Over-rated - Knock out at least 100 enemies in a single playthrough.
Corporate Warfare - Protect a client's interests by performing a less-than-hostile takeover.
Darker Shades - You convinced a fast-talking bartender to let you see Tong Si Hung.
Deus Ex Machina - Experience all the different endings that Deus Ex: Human Revolution has to offer.
Hangar 18 - You found and read the secret message. Now you know too much...
Hax0r1! - Successfully hack at least 50 devices within the same playthrough.
Kevorkian Complex - You granted a dying man his final request.
Ladies Man - You convinced Mengyao to spill the beans on the mysterious Hyron Project.
Legend - Complete Deus Ex: Human Revolution at its hardest setting.
Lesser Evil - Deal with Mr. Carella's indiscretion.
Foxiest of the Hounds - Complete Deus Ex: Human Revolution without setting off any alarms.
Ghost - You made it through an entire hostile area without making so much as a squeak.
Good Soul - Against all odds, you saved Faridah Malik's life.
Guardian Angel - You paid poor Jaya's debt in full. How very... humane... of you.
Gun Nut - Fully upgrade one of your weapons.
Lucky Guess - Maybe next time, Jacob will use a more complex code when arming a bomb.
Motherly Ties - Put a grieving mother's doubts to rest.
Old School Gamer - You found all the hidden story items in Megan's Office. Point-and-Click much?
Opportunist - Perform 50 takedowns within the same playthrough (Civilians don't count).
Pacifist - Complete Deus Ex: Human Revolution without anyone dying by your hand (Boss fights do not count).
Rotten Business - Help a lady in the oldest of professions clean house.
Sentimental Value - You kept Megan's bracelet for yourself. Apparently, letting go really is the hardest part.
Shanghai Justice - It may take some sleuthing, but justice must be served.
Smash the State - Help Officer Nicholas take out the trash.
Super Sleuth - You really nailed your case against Lee Hong.
Talion A.D. - Descend into the bowels of an urban jungle and confront a warrior-priest.
The Bull - You defeated Lawrence Barrett, elite member of a secret mercenary hit squad.
The D Project - You watched the entire credit list and saw the surprise at the end.
The Desk Job - You convinced Wayne Haas to let you into the morgue.
The End - You defeated Zhao Yun Ru and by doing so, destroyed the Hyron Project.
The Fall - You sent Diamond Chan on the trip of a lifetime.
The Final Countdown - You pointed out the flaws in his logic to millionaire Hugh Darrow.
The Last Straw - You talked Doctor Isaias Sandoval out of suicide.
The Mantis - You defeated Yelena Federova, elite member of a secret mercenary hit squad.
The Snake - You defeated Jaron Namir, Leader of Belltower's Elite Special Operations Unit.
The Take - Greedy bastard. You accepted O'Malley's blood money and let him go.
The Throwdown - You convinced the smooth-talking politician Bill Taggart to tell the truth in public.
Transhumanist - Fully upgrade your first augmentation of choice.
Trooper - Complete Deus Ex: Human Revolution.
Unforeseen Consequence - You convinced Zeke Sanders to let his hostage go.
Up the Ante! - Upgrade your first weapon of choice.
Yes Boss - You had an argument with your boss, David Sarif, and won.

Additionally, there are ten The Missing Link DLC achievements:

All of the Above - You managed to save Dr. Kavanagh and all the prisoners, too.
Good Samaritan - You replaced the power supply on a damaged stasis pod, saving the occupant's life.
Never Forget - You revisited the site where Belltower discovered and captured you.
Never Stop Looking - You escaped Rifleman Bank Station. Nothing will stop you from finding Megan now.
Apex Predator - You performed a takedown on Burke without being detected.
Back Stage Pass - You gained access to Quinn's secret store.
Factory Zero - You survived The Missing Link using no Praxis kills, weapons, or explosives. Whoa.
Out of the Frying Pan - You made it off the boat... but to what end?
That Old Adage - Apparently, your CASIE augmentation doesn't work on everyone...
The Learn'd Scholar - When the proofs, the figures, were ranged in columns before me...